AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-22 13:00:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Use msgsnd syscall for Linux implementation

Browse Source 
This patch add a direct call to msgsnd syscall if it is supported by
kernel features.

hecked on x86_64, i686, powerpc64le, aarch64, and armhf.

	* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgsnd): Remove.
	* sysdeps/unix/sysv/linux/arm/syscalls.list (msgsnd): Likewise.
	* sysdeps/unix/sysv/linux/generic/syscalls.list (msgsnd): Likewise.
	* sysdeps/unix/sysv/linux/hppa/syscalls.list (msgsnd): Likewise.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list (msgsnd): Likewise.
	* sysdeps/unix/sysv/linux/microblaze/syscalls.list (msgsnd): Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (msgsnd):
	Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (msgsnd):
	Likewise.
	* sysdeps/unix/sysv/linux/x86_64/syscalls.list (msgsnd): Likewise.
	* sysdeps/unix/sysv/linux/msgsnd.c (__libc_msgsnd): Use msgsnd syscall
	if defined.
This commit is contained in:
Adhemerval Zanella 2016-10-25 20:57:55 -02:00
parent dee23189ae
commit 692fe43ae2
11 changed files with 19 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
ChangeLog
View File

@ -1,5 +1,19 @@
2016-12-28 Adhemerval Zanella <adhemerval.zanella@linaro.org> 2016-12-28 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgsnd): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (msgsnd):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (msgsnd):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/msgsnd.c (__libc_msgsnd): Use msgsnd syscall
if defined.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgctl): Remove. * sysdeps/unix/sysv/linux/alpha/syscalls.list (msgctl): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (msgctl): Likewise. * sysdeps/unix/sysv/linux/arm/syscalls.list (msgctl): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (msgctl): Likewise. * sysdeps/unix/sysv/linux/generic/syscalls.list (msgctl): Likewise.

1
sysdeps/unix/sysv/linux/alpha/syscalls.list
View File

@ -1,7 +1,6 @@
# File name Caller Syscall name # args Strong name Weak names # File name Caller Syscall name # args Strong name Weak names
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
shmat - osf_shmat i:ipi __shmat shmat shmat - osf_shmat i:ipi __shmat shmat
oldshmctl EXTRA shmctl i:iip __old_shmctl shmctl@GLIBC_2.0 oldshmctl EXTRA shmctl i:iip __old_shmctl shmctl@GLIBC_2.0
shmdt - shmdt i:s __shmdt shmdt shmdt - shmdt i:s __shmdt shmdt

1
sysdeps/unix/sysv/linux/arm/syscalls.list
View File

@ -24,7 +24,6 @@ personality EXTRA personality Ei:i __personality personality
# Semaphore and shm system calls. msgctl, shmctl, and semctl have C # Semaphore and shm system calls. msgctl, shmctl, and semctl have C
# wrappers (to set __IPC_64). # wrappers (to set __IPC_64).
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
shmdt - shmdt i:s __shmdt shmdt shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget shmget - shmget i:iii __shmget shmget

1
sysdeps/unix/sysv/linux/generic/syscalls.list
View File

@ -2,7 +2,6 @@
# SysV APIs # SysV APIs
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
semget - semget i:iii __semget semget semget - semget i:iii __semget semget
semctl - semctl i:iiii __semctl semctl semctl - semctl i:iiii __semctl semctl
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop

1
sysdeps/unix/sysv/linux/hppa/syscalls.list
View File

@ -2,7 +2,6 @@
# semaphore and shm system calls # semaphore and shm system calls
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl shmctl - shmctl i:iip __shmctl shmctl
shmdt - shmdt i:s __shmdt shmdt shmdt - shmdt i:s __shmdt shmdt

1
sysdeps/unix/sysv/linux/ia64/syscalls.list
View File

@ -6,7 +6,6 @@ getpriority - getpriority i:ii __getpriority getpriority
# semaphore and shm system calls # semaphore and shm system calls
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl shmctl - shmctl i:iip __shmctl shmctl
shmdt - shmdt i:s __shmdt shmdt shmdt - shmdt i:s __shmdt shmdt

1
sysdeps/unix/sysv/linux/microblaze/syscalls.list
View File

@ -9,7 +9,6 @@ personality EXTRA personality Ei:i __personality personality
# Semaphore and shm system calls. msgctl, shmctl, and semctl have C # Semaphore and shm system calls. msgctl, shmctl, and semctl have C
# wrappers (to set __IPC_64). # wrappers (to set __IPC_64).
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
shmdt - shmdt i:s __shmdt shmdt shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget shmget - shmget i:iii __shmget shmget

1
sysdeps/unix/sysv/linux/mips/mips64/syscalls.list
View File

@ -3,7 +3,6 @@
# Semaphore and shm system calls. msgctl, shmctl, and semctl have C # Semaphore and shm system calls. msgctl, shmctl, and semctl have C
# wrappers (to set __IPC_64). # wrappers (to set __IPC_64).
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
shmdt - shmdt i:s __shmdt shmdt shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget shmget - shmget i:iii __shmget shmget

9
sysdeps/unix/sysv/linux/msgsnd.c
View File

@ -16,17 +16,18 @@
License along with the GNU C Library; if not, see License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */ <http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sys/msg.h> #include <sys/msg.h>
#include <ipc_priv.h> #include <ipc_priv.h>
#include <sysdep-cancel.h> #include <sysdep-cancel.h>
#include <sys/syscall.h>
int int
__libc_msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg) __libc_msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg)
{ {
#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
return SYSCALL_CANCEL (msgsnd, msqid, msgp, msgsz, msgflg);
#else
return SYSCALL_CANCEL (ipc, IPCOP_msgsnd, msqid, msgsz, msgflg, return SYSCALL_CANCEL (ipc, IPCOP_msgsnd, msqid, msgsz, msgflg,
(void *) msgp); msgp);
#endif
} }
weak_alias (__libc_msgsnd, msgsnd) weak_alias (__libc_msgsnd, msgsnd)

1
sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list
View File

@ -2,7 +2,6 @@
# semaphore and shm system calls # semaphore and shm system calls
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl shmctl - shmctl i:iip __shmctl shmctl
shmdt - shmdt i:s __shmdt shmdt shmdt - shmdt i:s __shmdt shmdt

1
sysdeps/unix/sysv/linux/x86_64/syscalls.list
View File

@ -3,7 +3,6 @@
arch_prctl EXTRA arch_prctl i:ii __arch_prctl arch_prctl arch_prctl EXTRA arch_prctl i:ii __arch_prctl arch_prctl
modify_ldt EXTRA modify_ldt i:ipi __modify_ldt modify_ldt modify_ldt EXTRA modify_ldt i:ipi __modify_ldt modify_ldt
msgget - msgget i:ii __msgget msgget msgget - msgget i:ii __msgget msgget
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
pread64 - pread64 Ci:ipii __libc_pread __libc_pread64 __pread64 pread64 __pread pread pread64 - pread64 Ci:ipii __libc_pread __libc_pread64 __pread64 pread64 __pread pread
preadv64 - preadv Ci:ipii preadv64 preadv preadv64 - preadv Ci:ipii preadv64 preadv
pwrite64 - pwrite64 Ci:ipii __libc_pwrite __libc_pwrite64 __pwrite64 pwrite64 __pwrite pwrite pwrite64 - pwrite64 Ci:ipii __libc_pwrite __libc_pwrite64 __pwrite64 pwrite64 __pwrite pwrite